python=set(['绮梦','冷伊一','香凝','子轩'])
c=set(['冷伊一','零语','子轩','圣博'])
print('选择Python的学生有:',python)
print('选择c语言的学生有:',c)
print('交集运算',python&c)
print('并集运算',python|c)
print('差集运集',python-c)

set1=set(['绮梦','冷伊一','香凝',])
set1.add('貂蝉')
print(set1)
set1.remove('绮梦')
print(set1)
set1.pop()
print(set1)
set1.clear()
print(set1)

name=['绮梦','冷伊一','香凝','梓轩']
sign=['水瓶座','射手座','双鱼座','双子座']
dictionary=dict(zip(name,sign))
print(dictionary)